某精馏塔塔顶回流量为150kg/h,塔顶馏出液量为50kg/h,则该塔的回流比为() 发布时间:2020-03-18 12:52 │ 来源:www.tikuol.com 题型:单项选择题 问题: 某精馏塔塔顶回流量为150kg/h,塔顶馏出液量为50kg/h,则该塔的回流比为()。A、 4B、 3C、 2D、 1
题型:单项选择题 根据句意及首字母提示,在空白处填入适当的单词。 1. Go a _____ the bridge, and you can find the hospital on your right. 2. W_____ comes after Tuesday. 3. Jane often walks to the museum but she n _____ goes to school on foot. Because it's too far away from her home.4. The early bird c_____ the worm. 5.—How often do you do outdoor a _____ ? —Every day. 查看答案